This tube is just like a small bait tank, and the mix of air and water needs to be just right. Too much water going in pushes the bait out, and too little will cause distress. Lots of bubbles kill the ...

Entrepreneur Rink Varian hopes to build an empire on his product, which is aimed at tricking large fish into thinking the bait is live prey, adding a tool to the sport fisherman's tackle box.